Dec 18 02:27:52.244 INFO checking chrisshyi/QuickSort-Rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:27:52.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/chrisshyi/QuickSort-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:27:52.749 INFO [stdout] 3251c96797b9203dd3e99da0e80ba3bc9ce2bde837046bfe12e84f22ac0d2681
Dec 18 02:27:52.754 INFO running `"docker" "start" "-a" "3251c96797b9203dd3e99da0e80ba3bc9ce2bde837046bfe12e84f22ac0d2681"`
Dec 18 02:27:54.364 INFO [stderr]     Checking QuickSort v0.1.0 (/opt/crater/workdir)
Dec 18 02:27:54.750 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 02:27:54.750 INFO [stderr]   --> src/main.rs:14:24
Dec 18 02:27:54.750 INFO [stderr]    |
Dec 18 02:27:54.750 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 18 02:27:54.750 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:27:54.752 INFO [stderr]    |
Dec 18 02:27:54.752 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 02:27:54.752 INFO [stderr] 
Dec 18 02:27:54.837 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 02:27:54.837 INFO [stderr]   --> src/main.rs:14:24
Dec 18 02:27:54.837 INFO [stderr]    |
Dec 18 02:27:54.837 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 18 02:27:54.837 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:27:54.837 INFO [stderr]    |
Dec 18 02:27:54.837 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 02:27:54.837 INFO [stderr] 
Dec 18 02:27:54.848 INFO [stderr] warning: unused variable: `data`
Dec 18 02:27:54.848 INFO [stderr]   --> src/main.rs:50:24
Dec 18 02:27:54.848 INFO [stderr]    |
Dec 18 02:27:54.848 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:54.848 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 18 02:27:54.848 INFO [stderr]    |
Dec 18 02:27:54.848 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:27:54.848 INFO [stderr] 
Dec 18 02:27:54.884 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 18 02:27:54.884 INFO [stderr]   --> src/main.rs:50:1
Dec 18 02:27:54.884 INFO [stderr]    |
Dec 18 02:27:54.884 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:54.884 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:27:54.904 INFO [stderr]    |
Dec 18 02:27:54.904 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:27:54.904 INFO [stderr] 
Dec 18 02:27:54.904 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 18 02:27:54.904 INFO [stderr]   --> src/main.rs:54:1
Dec 18 02:27:54.904 INFO [stderr]    |
Dec 18 02:27:54.904 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:54.904 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:27:54.905 INFO [stderr] 
Dec 18 02:27:54.905 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 18 02:27:54.905 INFO [stderr]   |
Dec 18 02:27:54.905 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 02:27:54.905 INFO [stderr] 
Dec 18 02:27:54.976 INFO [stderr] warning: unused variable: `data`
Dec 18 02:27:54.976 INFO [stderr]   --> src/main.rs:50:24
Dec 18 02:27:54.976 INFO [stderr]    |
Dec 18 02:27:54.976 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:54.976 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 18 02:27:54.976 INFO [stderr]    |
Dec 18 02:27:54.976 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:27:54.976 INFO [stderr] 
Dec 18 02:27:55.008 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 18 02:27:55.008 INFO [stderr]   --> src/main.rs:50:1
Dec 18 02:27:55.008 INFO [stderr]    |
Dec 18 02:27:55.008 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:55.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:27:55.008 INFO [stderr]    |
Dec 18 02:27:55.008 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:27:55.008 INFO [stderr] 
Dec 18 02:27:55.008 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 18 02:27:55.008 INFO [stderr]   --> src/main.rs:54:1
Dec 18 02:27:55.008 INFO [stderr]    |
Dec 18 02:27:55.008 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 18 02:27:55.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:27:55.008 INFO [stderr] 
Dec 18 02:27:55.008 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 18 02:27:55.008 INFO [stderr]   |
Dec 18 02:27:55.008 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 02:27:55.008 INFO [stderr] 
Dec 18 02:27:55.058 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 18 02:27:55.686 INFO running `"docker" "inspect" "3251c96797b9203dd3e99da0e80ba3bc9ce2bde837046bfe12e84f22ac0d2681"`
Dec 18 02:27:55.926 INFO running `"docker" "rm" "-f" "3251c96797b9203dd3e99da0e80ba3bc9ce2bde837046bfe12e84f22ac0d2681"`
Dec 18 02:27:56.271 INFO [stdout] 3251c96797b9203dd3e99da0e80ba3bc9ce2bde837046bfe12e84f22ac0d2681